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Petrick pegmatite, Kingsland Granite Company Quarry (Petrick Quarry), Llano County, Texas, USAi
| Regional Level Types | |
|---|---|
| Petrick pegmatite | Pegmatite |
| Kingsland Granite Company Quarry (Petrick Quarry) | Quarry |
| Llano County | County |
| Texas | State |
| USA | Country |
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Located 1 mile W of the southern tip of Lake Buchanan.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
28 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ 'Almandine-Spessartine Series' |
| ⓘ 'Amphibole Supergroup' Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| ⓘ Arsenopyrite Formula: FeAsS |
| ⓘ 'Bastnäsite' Formula: (Ce/Nd/Y/REE)(CO3)F |
| ⓘ Behoite Formula: Be(OH)2 Habit: Amorphous, chalky Colour: White, Pinkish-White Fluorescence: None Description: Occurs as alteration coatings on gadolinite. Initial SEM-EDS analysis indicated a substantial beryllium carbonate content, probably due to reaction with atmospheric carbon dioxide. References: |
| ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ Britholite-(Y) Formula: (Y,Ca)5(SiO4)3OH |
| ⓘ Calcite Formula: CaCO3 Fluorescence: Pale Green (SW) |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ 'Chlorite Group' |
| ⓘ 'Fergusonite' References: |
| ⓘ Fergusonite-(Y) Formula: YNbO4 Habit: metamict Colour: olive-drab green with metallic sheen on fracture surfaces Fluorescence: none Description: Commonly found at the outer margins of the pegmatite as columnar metamict crystals having a square cross-section. Moderately radioactive. |
| ✪ Fluorapatite Formula: Ca5(PO4)3F Habit: Hexagonal Colour: Green, Tan Fluorescence: Burnt Orange, Green Description: Weathered crystals fluoresce burnt-orange. Vug micro crystals are green and gemmy with a brilliant green SW fluorescence. |
| ⓘ Fluorite Formula: CaF2 Habit: massive Colour: pale green, lavender, yellow, pink, purple Fluorescence: blue-green (SW) Description: Highly phosphorescent, thermoluminescent, triboluminescent |
| ✪ 'Gadolinite' Habit: Amorphous, metamict Colour: Greenish-Black Fluorescence: None Description: This material is actually transparent very dark green. It also displays an unusually high paramagnetism and can be picked up by a Nd-Fe-B "supermagnet". |
| ⓘ Graphite Formula: C Description: Displays pyrolitic properties |
| ⓘ 'Gummite' Habit: amorphous Colour: yellow, orange Fluorescence: weak green Description: Occurs as alteration coatings on uranium-enriched pods of gadolinite and fergusonite References: |
| ⓘ Hematite Formula: Fe2O3 References: |
| ⓘ Jarosite Formula: KFe3+3(SO4)2(OH)6 References: |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 References: |
| ⓘ Marcasite Formula: FeS2 |
| ✪ Microcline Formula: K(AlSi3O8) Fluorescence: Vermillion-red (SW) Description: Crystals in pegmatite occur up to 40 cm, sometimes intergrown with orthoclase. These intergrowths display a bright blue schiller that when cabbed displays a blue "cat's eye" effect. |
| ✪ Molybdenite Formula: MoS2 Habit: Foliated books and 5-15 mm thick veins in decomposed granite Colour: Lustrous metallic bluish gray Fluorescence: None |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Native Gold ? Formula: Au |
| ⓘ Opal Formula: SiO2 · nH2O |
| ⓘ Opal var. Opal-AN Formula: SiO2 · nH2O Habit: Thin coatings on quartz and microcline, glassy blebs in vugs amorphous) Colour: transparent very pale green Fluorescence: Strikingly brilliant green, even visible in overcast daylight. Description: Dazzling green fluorescence (SW) especially beautiful when coating microcline with its vermillion red fluorescence. References: |
| ✪ Powellite Formula: Ca(MoO4) Colour: Cream White Fluorescence: Lemon Yellow (SW) Description: Found as crystalline masses interspersed with molybdenite in blocky microcline References: |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Milky Quartz Formula: SiO2 References: |
| ⓘ Quartz var. Smoky Quartz Formula: SiO2 References: |
| ⓘ Rutile Formula: TiO2 |
| ⓘ Samarskite-(Y) Formula: YFe3+Nb2O8 |
| ⓘ Sanidine Formula: K(AlSi3O8) References: |
| ⓘ Tengerite-(Y) ? Formula: Y2(CO3)3 · 2-3H2O Description: No data. References: |
| ⓘ Thorite var. Thorogummite Formula: (Th,U)(SiO4)1-x(OH)4x Habit: amorphous Colour: brick-red Fluorescence: none Description: Occurs with beohite as a brick-red alteration coating on gadolinite. References: |
| ⓘ Uraninite Formula: UO2 References: |
| ⓘ Zircon Formula: Zr(SiO4) |
| ✪ Zircon var. Cyrtolite Formula: Zr[(SiO4),(OH)4] Habit: Tetragonal-Bipyramidal with curved faces Colour: Reddish-Brown Fluorescence: None Description: Commonly found between biotite laminae, radioactive References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold ? | 1.AA.05 | Au |
| ⓘ | Graphite | 1.CB.05a | C |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Molybdenite | 2.EA.30 | MoS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Marcasite | 2.EB.10a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Smoky Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Milky Quartz | 4.DA.05 | SiO2 |
| ⓘ | Opal var. Opal-AN | 4.DA.10 | SiO2 · nH2O |
| ⓘ | 4.DA.10 | SiO2 · nH2O | |
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| ⓘ | Samarskite-(Y) | 4.DB.25 | YFe3+Nb2O8 |
| ⓘ | Uraninite | 4.DL.05 | UO2 |
| ⓘ | Behoite | 4.FA.05a | Be(OH)2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Tengerite-(Y) ? | 5.CC.10 | Y2(CO3)3 · 2-3H2O |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Jarosite | 7.BC.10 | KFe3+3(SO4)2(OH)6 |
| ⓘ | Fergusonite-(Y) | 7.GA.05 | YNbO4 |
| ⓘ | Powellite | 7.GA.05 | Ca(MoO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Fluorapatite | 8.BN.05 | Ca5(PO4)3F |
| Group 9 - Silicates | |||
| ⓘ | Thorite var. Thorogummite | 9.AD.30 | (Th,U)(SiO4)1-x(OH)4x |
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | var. Cyrtolite | 9.AD.30 | Zr[(SiO4),(OH)4] |
| ⓘ | Britholite-(Y) | 9.AH.25 | (Y,Ca)5(SiO4)3OH |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Sanidine | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Amphibole Supergroup' | - | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| ⓘ | 'Bastnäsite' | - | (Ce/Nd/Y/REE)(CO3)F |
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Gummite' | - | |
| ⓘ | 'Almandine-Spessartine Series' | - | |
| ⓘ | 'Gadolinite' | - | |
| ⓘ | 'Fergusonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| H | ⓘ Behoite | Be(OH)2 |
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Britholite-(Y) | (Y,Ca)5(SiO4)3OH |
| H | ⓘ Opal var. Opal-AN | SiO2 · nH2O |
| H | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Opal | SiO2 · nH2O |
| H | ⓘ Tengerite-(Y) | Y2(CO3)3 · 2-3H2O |
| H | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| H | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| Be | Beryllium | |
| Be | ⓘ Behoite | Be(OH)2 |
| C | Carbon | |
| C | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Graphite | C |
| C | ⓘ Tengerite-(Y) | Y2(CO3)3 · 2-3H2O |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| O | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| O | ⓘ Behoite | Be(OH)2 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Britholite-(Y) | (Y,Ca)5(SiO4)3OH |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Fergusonite-(Y) | YNbO4 |
| O | ⓘ Fluorapatite | Ca5(PO4)3F |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Opal var. Opal-AN | SiO2 · nH2O |
| O | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Opal | SiO2 · nH2O |
| O | ⓘ Powellite | Ca(MoO4) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| O | ⓘ Sanidine | K(AlSi3O8) |
| O | ⓘ Quartz var. Smoky Quartz | SiO2 |
| O | ⓘ Tengerite-(Y) | Y2(CO3)3 · 2-3H2O |
| O | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| O | ⓘ Uraninite | UO2 |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Quartz var. Milky Quartz | SiO2 |
| O | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| O | ⓘ Almandine-Spessartine Series | |
| F | Fluorine | |
| F | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| F | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | ⓘ Fluorapatite | Ca5(PO4)3F |
| F | ⓘ Fluorite | CaF2 |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Mg | Magnesium | |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Sanidine | K(AlSi3O8) |
| Al | ⓘ Almandine-Spessartine Series | |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Britholite-(Y) | (Y,Ca)5(SiO4)3OH |
| Si | ⓘ Opal var. Opal-AN | SiO2 · nH2O |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Opal | SiO2 · nH2O |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Sanidine | K(AlSi3O8) |
| Si | ⓘ Quartz var. Smoky Quartz | SiO2 |
| Si | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Quartz var. Milky Quartz | SiO2 |
| Si | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| Si | ⓘ Almandine-Spessartine Series | |
| P | Phosphorus | |
| P | ⓘ Fluorapatite | Ca5(PO4)3F |
| S | Sulfur | |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| S | ⓘ Marcasite | FeS2 |
| S | ⓘ Molybdenite | MoS2 |
| S | ⓘ Pyrite | FeS2 |
| Cl | Chlorine | |
| Cl | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| K | Potassium | |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| K | ⓘ Microcline | K(AlSi3O8) |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Sanidine | K(AlSi3O8) |
| Ca | Calcium | |
| Ca | ⓘ Britholite-(Y) | (Y,Ca)5(SiO4)3OH |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Fluorapatite | Ca5(PO4)3F |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Powellite | Ca(MoO4) |
| Ti | Titanium | |
| Ti | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Rutile | TiO2 |
| Mn | Manganese | |
| Mn | ⓘ Almandine-Spessartine Series | |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Jarosite | KFe33+(SO4)2(OH)6 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Marcasite | FeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Fe | ⓘ Almandine-Spessartine Series | |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| Y | Yttrium | |
| Y | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| Y | ⓘ Britholite-(Y) | (Y,Ca)5(SiO4)3OH |
| Y | ⓘ Fergusonite-(Y) | YNbO4 |
| Y | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Y | ⓘ Tengerite-(Y) | Y2(CO3)3 · 2-3H2O |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
| Zr | ⓘ Zircon var. Cyrtolite | Zr[(SiO4),(OH)4] |
| Nb | Niobium | |
| Nb | ⓘ Fergusonite-(Y) | YNbO4 |
| Nb | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Mo | Molybdenum | |
| Mo | ⓘ Molybdenite | MoS2 |
| Mo | ⓘ Powellite | Ca(MoO4) |
| Ce | Cerium | |
| Ce | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| Nd | Neodymium | |
| Nd | ⓘ Bastnäsite | (Ce/Nd/Y/REE)(CO3)F |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Th | Thorium | |
| Th | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| U | Uranium | |
| U | ⓘ Thorite var. Thorogummite | (Th,U)(SiO4)1-x(OH)4x |
| U | ⓘ Uraninite | UO2 |
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Shawnee DomainDomain
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Petrick pegmatite, Kingsland Granite Company Quarry, Llano County, Texas, USA